US20040213687A1 - Heat dissipating fan assembly - Google Patents
Heat dissipating fan assembly Download PDFInfo
- Publication number
- US20040213687A1 US20040213687A1 US10/765,489 US76548904A US2004213687A1 US 20040213687 A1 US20040213687 A1 US 20040213687A1 US 76548904 A US76548904 A US 76548904A US 2004213687 A1 US2004213687 A1 US 2004213687A1
- Authority
- US
- United States
- Prior art keywords
- heat dissipating
- motor
- fan assembly
- dissipating fan
- propellers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 238000005192 partition Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 5
- 238000007664 blowing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
Definitions
- the invention relates to a heat dissipating fan, more particularly to a heat dissipating fan assembly that can increase air turbulence so as to enhance the heat dissipating effect.
- a first conventional heat dissipating fan assembly has fan units connected in series, and includes interconnected first and second heat dissipating members 1 , 2 .
- the first heat dissipating member 1 includes a first fan housing 11 , a first motor 12 mounted within the first fan housing 11 , and a first propeller 13 connected to the first motor 12 .
- the second heat dissipating member 2 includes a second fan housing 21 connected to a front side of the first fan housing 11 , a second motor 22 mounted within the second fan housing 21 , and a second propeller 23 connected to the second motor 22 .
- the first and second propellers 13 , 23 are oriented in the same direction, i.e., the directions of air inlet and air outlet are the same.
- air sucked by the first propeller 13 is blown out through the air outlet (not shown) of the second propeller 23 , thereby providing a blowing air at one side of the fan assembly.
- the blowing effect of such a conventional heat dissipating fan assembly is limited and cannot rapidly dissipate heat.
- FIG. 2 illustrates a second conventional heat dissipating fan 10 , which can rotate within a predetermined angular distance. However, although the direction of turbulent air can be altered, air currents are likewise produced only at one side of the heat dissipating fan 10 .
- the object of the present invention is to provide a heat dissipating fan assembly that can increase air turbulence so as to enhance the heat dissipating effect.
- a heat dissipating fan assembly comprises a motor and first and second propellers.
- the motor has two opposite sides, and first and second shaft sections extending outwardly and respectively from the sides in opposite directions.
- the first and second propellers are mounted respectively on the first and second shaft sections, and rotate simultaneously to produce air currents at two opposite sides of the fan assembly.
- FIG. 1 is an exploded perspective view of a first conventional heat dissipating fan assembly
- FIG. 2 is a perspective view of a second conventional heat dissipating fan
- FIG. 3 is a fragmentary perspective view of the preferred embodiment of a heat dissipating fan assembly according to the present invention.
- FIG. 4 is a partly sectional view of the preferred embodiment.
- FIGS. 3 and 4 the preferred embodiment of a heat dissipating fan assembly 3 according to the present invention is shown to comprise a motor casing 4 , a motor 5 , first and second propellers 6 , 7 , two shrouds 8 , 8 ′, and a partition plate 9 .
- the motor casing 4 has an outer wall 42 , two opposite side plates 41 , 41 ′ connected respectively to two ends of the outer wall 42 and cooperating with the outer wall 42 to confine a receiving chamber 43 , and a flange 44 projecting from the outer wall 42 and around the motor casing 4 .
- the motor 5 is received within the receiving chamber 43 .
- the motor 5 has a rotary shaft 51 , which is composed of first and second shaft sections 511 , 512 extending outwardly and respectively from two opposite sides of the motor 5 .
- a plurality of fastening units 100 pass through the motor casing 4 , and engage a side surface of the motor 5 so that the motor casing 4 is connected to the motor 5 .
- the first propeller 6 is connected fixedly to the first shaft section 511 of the rotary shaft 51 of the motor 5 in a conventional manner, and is disposed externally of the left side plate 41 of the motor casing 4 .
- the first propeller 6 has a plurality of first fan blades 61 , each of which is inclined at a predetermined angle.
- the second propeller 7 is connected securedly to the second shaft section 512 of the rotary shaft 51 of the motor 5 in a conventional manner, and is disposed externally of the right side plate 41 ′ of the motor casing 4 .
- the second propeller 7 has a plurality of second fan blades 71 , each of which is inclined at a predetermined angle. When the motor 5 is actuated, the first and second propellers 6 , 7 rotate simultaneously, thereby producing air currents at two opposite sides of the fan assembly 3 .
- the shrouds 8 , 8 ′ cover and protect the first and second propellers 6 , 7 , respectively.
- the partition plate 9 is connected to and sleeved on the motor casing 4 between the first and second propellers 6 , 7 , and is secured to the flange 44 .
- the partition plate 9 is disposed between the first and second propellers 6 , 7 so as to reduce interference between air flows suctioned by the first and second propellers 6 , 7 .
- the heat dissipating fan assembly 3 of the present invention further includes a vertical support unit 110 connected to the motor 5 .
- the support unit 110 has a connecting portion 111 connected to a bottom portion of the motor 5 in a conventional manner, and a supporting post 112 connected to the connecting portion 111 .
- the heat dissipating fan assembly 3 of the present invention can be configured as a stand-type or a table-type fan by selecting an appropriate length for the supporting post 112 .
- the first and second shaft sections 511 , 512 of the motor 5 cause the first and second propellers 6 , 7 to rotate simultaneously, thereby producing air flows at two opposite sides of the fan assembly 3 , as shown by the opposite arrows in FIG. 4.
- the heat dissipating fan assembly 3 of the present invention generates air currents substantially in all directions so that heat can be rapidly dissipated, thereby achieving a good heat dissipating effect.
- the heat dissipating fan assembly 3 of the present invention uses only one motor 5 , unlike the aforementioned first conventional heat dissipating fan assembly shown in FIG. 1 which uses two motors 12 , 22 . Therefore, electric consumption and production costs are minimized accordingly.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
A heat dissipating fan assembly includes a motor and first and second propellers. The motor has two opposite sides, and first and second shaft sections extending outwardly and respectively from the sides in opposite directions. The first and second propellers are mounted respectively on the first and second shaft sections, and rotate simultaneously to produce air currents at two opposite sides of the fan assembly.
Description
- This application claims priority of Taiwanese Application No. 092206738, filed on Apr. 28, 2003.
- 1. Field of the Invention
- The invention relates to a heat dissipating fan, more particularly to a heat dissipating fan assembly that can increase air turbulence so as to enhance the heat dissipating effect.
- 2. Description of the Related Art
- Referring to FIG. 1, a first conventional heat dissipating fan assembly has fan units connected in series, and includes interconnected first and second
heat dissipating members heat dissipating member 1 includes afirst fan housing 11, a first motor 12 mounted within thefirst fan housing 11, and afirst propeller 13 connected to the first motor 12. The secondheat dissipating member 2 includes asecond fan housing 21 connected to a front side of thefirst fan housing 11, asecond motor 22 mounted within thesecond fan housing 21, and asecond propeller 23 connected to thesecond motor 22. The first andsecond propellers second propellers first propeller 13 is blown out through the air outlet (not shown) of thesecond propeller 23, thereby providing a blowing air at one side of the fan assembly. In actual use, the blowing effect of such a conventional heat dissipating fan assembly is limited and cannot rapidly dissipate heat. - FIG. 2 illustrates a second conventional
heat dissipating fan 10, which can rotate within a predetermined angular distance. However, although the direction of turbulent air can be altered, air currents are likewise produced only at one side of theheat dissipating fan 10. - Therefore, the object of the present invention is to provide a heat dissipating fan assembly that can increase air turbulence so as to enhance the heat dissipating effect.
- According to this invention, a heat dissipating fan assembly comprises a motor and first and second propellers. The motor has two opposite sides, and first and second shaft sections extending outwardly and respectively from the sides in opposite directions. The first and second propellers are mounted respectively on the first and second shaft sections, and rotate simultaneously to produce air currents at two opposite sides of the fan assembly.
- Other features and advantages of the present invention will become apparent in the following detailed description of the preferred embodiment with reference to the accompanying drawings, of which:
- FIG. 1 is an exploded perspective view of a first conventional heat dissipating fan assembly;
- FIG. 2 is a perspective view of a second conventional heat dissipating fan;
- FIG. 3 is a fragmentary perspective view of the preferred embodiment of a heat dissipating fan assembly according to the present invention; and
- FIG. 4 is a partly sectional view of the preferred embodiment.
- Referring to FIGS. 3 and 4, the preferred embodiment of a heat dissipating
fan assembly 3 according to the present invention is shown to comprise amotor casing 4, amotor 5, first andsecond propellers shrouds partition plate 9. - The
motor casing 4 has anouter wall 42, twoopposite side plates outer wall 42 and cooperating with theouter wall 42 to confine areceiving chamber 43, and aflange 44 projecting from theouter wall 42 and around themotor casing 4. - The
motor 5 is received within thereceiving chamber 43. In this embodiment, themotor 5 has arotary shaft 51, which is composed of first andsecond shaft sections motor 5. A plurality offastening units 100 pass through themotor casing 4, and engage a side surface of themotor 5 so that themotor casing 4 is connected to themotor 5. - The
first propeller 6 is connected fixedly to thefirst shaft section 511 of therotary shaft 51 of themotor 5 in a conventional manner, and is disposed externally of theleft side plate 41 of themotor casing 4. Thefirst propeller 6 has a plurality offirst fan blades 61, each of which is inclined at a predetermined angle. - The
second propeller 7 is connected securedly to thesecond shaft section 512 of therotary shaft 51 of themotor 5 in a conventional manner, and is disposed externally of theright side plate 41′ of themotor casing 4. Thesecond propeller 7 has a plurality ofsecond fan blades 71, each of which is inclined at a predetermined angle. When themotor 5 is actuated, the first andsecond propellers fan assembly 3. - The
shrouds second propellers - The
partition plate 9 is connected to and sleeved on themotor casing 4 between the first andsecond propellers flange 44. Thepartition plate 9 is disposed between the first andsecond propellers second propellers - The heat dissipating
fan assembly 3 of the present invention further includes avertical support unit 110 connected to themotor 5. Thesupport unit 110 has a connectingportion 111 connected to a bottom portion of themotor 5 in a conventional manner, and a supportingpost 112 connected to the connectingportion 111. The heat dissipatingfan assembly 3 of the present invention can be configured as a stand-type or a table-type fan by selecting an appropriate length for the supportingpost 112. - In use, when the
motor 5 is actuated, the first andsecond shaft sections motor 5 cause the first andsecond propellers fan assembly 3, as shown by the opposite arrows in FIG. 4. Unlike the aforementioned conventional heat dissipating fans which produce air turbulence only at one side, the heat dissipatingfan assembly 3 of the present invention generates air currents substantially in all directions so that heat can be rapidly dissipated, thereby achieving a good heat dissipating effect. - It should be noted that if the heat dissipating
fan assembly 3 of the present invention is rotated, a better air flow effect can be achieved. - Moreover, the heat dissipating
fan assembly 3 of the present invention uses only onemotor 5, unlike the aforementioned first conventional heat dissipating fan assembly shown in FIG. 1 which uses twomotors 12, 22. Therefore, electric consumption and production costs are minimized accordingly. - While the present invention has been described in connection with what is considered the most practical and preferred embodiment, it is understood that this invention is not limited to the disclosed embodiment but is intended to cover various arrangements included within the spirit and scope of the broadest interpretation so as to encompass all such modifications and equivalent arrangements.
Claims (6)
1. A heat dissipating fan assembly comprising:
a motor having two opposite sides, and first and second shaft sections extending outwardly and respectively from said sides in opposite directions; and
first and second propellers mounted respectively on said first and second shaft sections, said first and second propellers rotating simultaneously to produce air currents at two opposite sides of the fan assembly.
2. The heat dissipating fan assembly as claimed in claim 1 , wherein said motor has a single shaft which is composed of said first and second shaft sections.
3. The heat dissipating fan assembly as claimed in claim 1 , further comprising a motor casing that covers said motor, and a partition plate connected to said motor casing and disposed between said first and second propellers.
4. The heat dissipating fan assembly as claimed in claim 3 , wherein said motor casing has an outer wall, and a flange projecting from said wall and around said motor casing, said partition plate being sleeved on said motor casing and being secured to said flange.
5. The heat dissipating fan assembly as claimed in claim 1 , further comprising two shrouds for covering and protecting said first and second propellers, respectively.
6. The heat dissipating fan assembly as claimed in claim 1, further comprising a vertical support unit connected to said motor, said motor casing being connected to said motor.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW092206738U TW570230U (en) | 2003-04-28 | 2003-04-28 | Heat dissipating fan |
TW092206738 | 2003-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
US20040213687A1 true US20040213687A1 (en) | 2004-10-28 |
Family
ID=32591712
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/765,489 Abandoned US20040213687A1 (en) | 2003-04-28 | 2004-01-26 | Heat dissipating fan assembly |
Country Status (5)
Country | Link |
---|---|
US (1) | US20040213687A1 (en) |
JP (1) | JP2004324640A (en) |
AU (1) | AU2004201749A1 (en) |
BR (1) | BRMU8400809U (en) |
TW (1) | TW570230U (en) |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1715191A1 (en) * | 2005-04-22 | 2006-10-25 | Chung-Yin Cheng | Electric fan |
US20060276122A1 (en) * | 2005-06-06 | 2006-12-07 | Chung-Yin Cheng | Electric fan |
EP1808604A1 (en) * | 2006-01-13 | 2007-07-18 | Chung-Yin Cheng | Electric fan |
CN100439719C (en) * | 2005-06-08 | 2008-12-03 | 郑宗殷 | Dual-vane electric fan with balancing main shaft |
US20120222843A1 (en) * | 2011-03-02 | 2012-09-06 | James Mitchell | Air Conditioner Condenser Booster |
CN103410757A (en) * | 2013-08-25 | 2013-11-27 | 昆山升东物资有限公司 | Electric fan with double blades |
CN104675717A (en) * | 2013-11-26 | 2015-06-03 | 鸿富锦精密电子(天津)有限公司 | Fan |
CN104895814A (en) * | 2015-05-22 | 2015-09-09 | 上海市静安区第一中心小学 | Double-side electric fan |
CN105697401A (en) * | 2013-08-28 | 2016-06-22 | 乐清市华尊电气有限公司 | Safety double-end electric fan with electric cooling fins |
CN105736429A (en) * | 2013-08-28 | 2016-07-06 | 乐清市华尊电气有限公司 | Safe double-end electric fan with small noises and large air volume |
CN105889103A (en) * | 2016-06-03 | 2016-08-24 | 常州市科宏电子电器有限公司 | Mini double-draught-fan fan |
CN108591097A (en) * | 2018-05-27 | 2018-09-28 | 东莞市兴东电子有限公司 | A kind of self radiation type air blower |
CN110285083A (en) * | 2019-06-21 | 2019-09-27 | 珠海格力电器股份有限公司 | Dustproof double-side air outlet fan |
JPWO2019026269A1 (en) * | 2017-08-04 | 2019-11-07 | 三菱電機株式会社 | Electric blower, vacuum cleaner, and hand dryer |
CN111927812A (en) * | 2020-08-14 | 2020-11-13 | 盐城工学院 | Fan with nursing function |
US11454242B2 (en) | 2018-03-05 | 2022-09-27 | FUNABORI Co., Ltd. | Air blowing device and air blowing machine for generating rising air |
US11512703B2 (en) * | 2018-07-09 | 2022-11-29 | Gd Midea Environment Appliances Mfg Co., Ltd. | Fan for adjusting air flow |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107288906A (en) * | 2017-07-19 | 2017-10-24 | 德清京达电气有限公司 | A kind of CPU heat abstractors with major-minor fan |
CN108005933A (en) * | 2017-12-01 | 2018-05-08 | 界首市鑫龙粮油机械加工有限公司 | A kind of multiaspect is winnowed fan |
CN108757525A (en) * | 2018-07-13 | 2018-11-06 | 株洲联诚集团控股股份有限公司 | A kind of axial flow blower |
CN109723663A (en) * | 2019-01-07 | 2019-05-07 | 郑州云海信息技术有限公司 | Fan mould group and server |
CN110953174A (en) * | 2019-12-11 | 2020-04-03 | 深圳市创智联环保设备有限公司 | Jet fan capable of automatically steering |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2190118A (en) * | 1937-01-28 | 1940-02-13 | George F Hardin | Motor driven fan |
US2325222A (en) * | 1939-10-16 | 1943-07-27 | Walter H Bretzlaff | Air impelling apparatus |
-
2003
- 2003-04-28 TW TW092206738U patent/TW570230U/en not_active IP Right Cessation
-
2004
- 2004-01-26 US US10/765,489 patent/US20040213687A1/en not_active Abandoned
- 2004-02-10 JP JP2004033361A patent/JP2004324640A/en active Pending
- 2004-04-20 BR BR8400809-1U patent/BRMU8400809U/en not_active IP Right Cessation
- 2004-04-27 AU AU2004201749A patent/AU2004201749A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2190118A (en) * | 1937-01-28 | 1940-02-13 | George F Hardin | Motor driven fan |
US2325222A (en) * | 1939-10-16 | 1943-07-27 | Walter H Bretzlaff | Air impelling apparatus |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1715191A1 (en) * | 2005-04-22 | 2006-10-25 | Chung-Yin Cheng | Electric fan |
US20060276122A1 (en) * | 2005-06-06 | 2006-12-07 | Chung-Yin Cheng | Electric fan |
CN100439719C (en) * | 2005-06-08 | 2008-12-03 | 郑宗殷 | Dual-vane electric fan with balancing main shaft |
EP1808604A1 (en) * | 2006-01-13 | 2007-07-18 | Chung-Yin Cheng | Electric fan |
US20120222843A1 (en) * | 2011-03-02 | 2012-09-06 | James Mitchell | Air Conditioner Condenser Booster |
CN103410757A (en) * | 2013-08-25 | 2013-11-27 | 昆山升东物资有限公司 | Electric fan with double blades |
CN105697401A (en) * | 2013-08-28 | 2016-06-22 | 乐清市华尊电气有限公司 | Safety double-end electric fan with electric cooling fins |
CN105736429A (en) * | 2013-08-28 | 2016-07-06 | 乐清市华尊电气有限公司 | Safe double-end electric fan with small noises and large air volume |
CN104675717A (en) * | 2013-11-26 | 2015-06-03 | 鸿富锦精密电子(天津)有限公司 | Fan |
CN104895814A (en) * | 2015-05-22 | 2015-09-09 | 上海市静安区第一中心小学 | Double-side electric fan |
CN105889103A (en) * | 2016-06-03 | 2016-08-24 | 常州市科宏电子电器有限公司 | Mini double-draught-fan fan |
JPWO2019026269A1 (en) * | 2017-08-04 | 2019-11-07 | 三菱電機株式会社 | Electric blower, vacuum cleaner, and hand dryer |
EP3663589A4 (en) * | 2017-08-04 | 2020-08-12 | Mitsubishi Electric Corporation | Electric blower, vacuum cleaner, and hand drying device |
US11905959B2 (en) | 2017-08-04 | 2024-02-20 | Mitsubishi Electric Corporation | Electric blower, vacuum cleaner, and hand drying device |
US11454242B2 (en) | 2018-03-05 | 2022-09-27 | FUNABORI Co., Ltd. | Air blowing device and air blowing machine for generating rising air |
CN108591097A (en) * | 2018-05-27 | 2018-09-28 | 东莞市兴东电子有限公司 | A kind of self radiation type air blower |
US11512703B2 (en) * | 2018-07-09 | 2022-11-29 | Gd Midea Environment Appliances Mfg Co., Ltd. | Fan for adjusting air flow |
CN110285083A (en) * | 2019-06-21 | 2019-09-27 | 珠海格力电器股份有限公司 | Dustproof double-side air outlet fan |
CN111927812A (en) * | 2020-08-14 | 2020-11-13 | 盐城工学院 | Fan with nursing function |
Also Published As
Publication number | Publication date |
---|---|
BRMU8400809U (en) | 2005-05-17 |
AU2004201749A1 (en) | 2004-11-11 |
JP2004324640A (en) | 2004-11-18 |
TW570230U (en) | 2004-01-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20040213687A1 (en) | Heat dissipating fan assembly | |
US9243792B2 (en) | Lamp | |
US20070160462A1 (en) | Centrifugal fan and fan frame thereof | |
US6568907B2 (en) | Impeller structure | |
US7329100B2 (en) | Centrifugal fan impeller | |
JP2007182880A (en) | Heat dissipation fan | |
JP2007040299A (en) | Passive fan assembly | |
JP2004169680A (en) | Blade structure and heat radiator using it | |
US6899521B2 (en) | Airflow guiding structure for a heat-dissipating fan | |
JPH0754793A (en) | Vortex flow blower | |
JP2009050062A (en) | Self-cooling back-connect driver motor assembly | |
US7018175B2 (en) | Airflow guiding structure for a heat dissipation fan | |
JP5263357B2 (en) | LED lamp | |
US6939105B2 (en) | Airflow guiding structure for a heat-dissipating fan | |
JP3717803B2 (en) | Series fan | |
KR101667407B1 (en) | electric fan | |
JP3110209U (en) | Centrifugal fan for roof | |
JP2006275311A (en) | Fan filter unit | |
JP2016070614A (en) | Ceiling embedded type air conditioner | |
US20050042084A1 (en) | Heat dissipating fan with air-guiding structure | |
JP2009197593A (en) | Fan device | |
JP3857410B2 (en) | Ventilation fan | |
KR101754369B1 (en) | electric fan | |
JP2020172905A (en) | Ventilator | |
JP3059369U (en) | Structure of heat dissipation fan |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |